High pressure continues to move into the area. Today will be another wonderful day, with plenty of sunshine and temperatures in the low 80s.

  • For Memorial Day, a warm front will push through the region during the early morning. With this passage, there will likely be some clouds around sunrise or just before, but things should clear rather quickly. Another thing supporting mainly dry conditions is that the 500mb ridge will be centered over eastern PA, MD and central NY. Temperatures should reach well into the 80s.
  • Beyond Monday, the upper-level ridge continues to build and the main for moisture streaming in from the southwest sets up to our west. Moisture does increase in the afternoon today, so a shower or thunderstorm may try to sneak into the region, but the best chance still remains west. Temperatures will be warm though the week well into the 80s. As of now, guidance suggests that Tuesday and Wednesday are the best chance at hitting 90 around BWI-Marshall. Showers and thunderstorms will make getting there tricky by late week. Humidity will also creep up all week with dewpoints reaching into the 60s.
  • A trough will slowly approach for the end of the week. With the region in the lee side of said trough, there will be a chance for a few showers and thunderstorms toward the end of the week, mainly in the afternoon.

A cold front will approach the region later in the weekend, bringing a cooler regime by early next week.


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